question_answer

If a heterozygous tall plant is crossed with a homozygous dwarf plant, the percentage of progeny with dwarf feature will be

A) 25%                                       

B) 50%

C) 75%                                       

D) 100%

Correct Answer: B

Solution :

The cross between heterozygous tall and homozygous dwarf is Phenotypic ratio = 1 : 1 Genotypic ratio = 1 : 1 Hence, 50% of both tall and dwarf appears in the progeny.